Third baseman D.J. Peterson and outfielder Gabby Guerrero will represent the Mariners in the All-Star Futures Game on July 13 at Target Field in Minneapolis.
Peterson will play for the U.S. squad, while Guerrero will be part of the World roster. The two were teammates at Hi-A High Desert until the Mariners promoted Peterson to Double-A Jackson after Mondays game.
The Mariners have had 31 Futures selections since the game began in 1999.
Peterson, 22, was the clubs first-round draft pick in 2013. He was batting .326 at High Desert with 18 homers and 73 RBIs in 65 games prior to his promotion to Jackson.
Guerrero, 20, is a Dominican native who was signed Jan. 11 2011 as a non-drafted free agent. He is batting .313 at High Desert with eight homers and 50 RBIs in 71 games.
Major League Baseball selects the two 25-player teams in conjunction with the Major League Baseball Scouting Bureau, MLB.com, Baseball America and the 30 clubs.
Each organization must be receive at least one selection. Players from all full-season affiliates are eligible for selection.
Seven players on the Mariners current roster played in the Futures Game: John Buck (2002), Robinson Cano (2003-04), Corey Hart (2002), Felix Hernandez (2004), Logan Morrison (2010), James Paxton (2011) and Michael Saunders (2007).
Brad Miller was picked last season but didnt participate due to his promotion to the big leagues.